ci·cu·ta \sə̇.ˈkyüd.ə\noun Etymology: New Latin, from Latin, poison hemlock (probably Conium maculatum) 1.capitalized: a small genus of perennial herbs (family Umbelliferae) having tuberous usually fascicled deadly poisonous roots and the leaves twice or thrice pinnate or ternate — see poison hemlock, water hemlock 2.-s[Latin]: poison hemlock 1